Boost Your IntelliJ IDEA Productivity: Essential Plugins and Installation Guide

This article explains how to add external plugins to IntelliJ IDEA and provides a curated list of useful plugins with installation steps, verification methods, and practical usage examples.

How to Import External Plugins into IDEA

1. Open the Settings configuration panel.

2. Navigate to Plugins → Install Plugin from Disk , select the appropriate plugin archive, and click OK.

3. Restart IDEA to load the newly added plugin.

1. FindBugs‑IDEA

Purpose

Detect possible bugs and non‑standard code locations; run after coding to avoid low‑level bugs. It is a static analysis tool that can identify many potential errors without manual effort.

Plugin URL

https://plugins.jetbrains.com/plugin/3847-findbugs-idea

Success Indicator

After restarting IDEA, the plugin loads and a marker appears in the lower‑left corner.

Practical Use

Right‑click a module, file, or package and select FindBugs from the context menu to scan for issues such as null pointer dereferences, bad practices, and performance problems.

2. Maven Helper

Purpose

One‑click view of Maven dependencies, detect conflicts, and exclude unwanted dependencies—especially handy for large projects.

Plugin URL

https://plugins.jetbrains.com/plugin/7179-maven-helper

Success Indicator

After restarting IDEA, opening a pom.xml shows a Maven Helper icon in the lower‑left corner.

Practical Use

Switch to the Dependency Analyzer view to:

View conflicts.

List all dependencies.

Display dependencies as a tree.

Right‑click a dependency to exclude specific versions.

3. VisualVM Launcher

Purpose

Launch VisualVM automatically when running a Java program to monitor JVM metrics such as heap allocation and object memory usage.

Plugin URL

https://plugins.jetbrains.com/plugin/7115-visualvm-launcher

Success Indicator

After restarting IDEA, a VisualVM icon appears in the upper‑right corner.

Practical Use

Configure the executable path to the VisualVM binary, apply the settings, then right‑click a run configuration and select the VisualVM launcher to start monitoring.

4. GenerateAllSetter

Purpose

Generate setter methods for all fields of an object with default values, useful when a class has many fields.

Plugin URL

https://plugins.jetbrains.com/plugin/9360-generateallsetter

Practical Use

Press Alt+Enter on a class to generate all setter methods with default values, or generate setters for matching fields between two objects, including collections.

5. Rainbow Brackets

Purpose

Color‑code matching brackets to improve readability and reduce bracket‑mismatch errors.

Plugin URL

https://plugins.jetbrains.com/plugin/10080-rainbow-brackets

Success Indicator

After restarting IDEA, a popup appears in the lower‑right corner confirming successful loading.

Practical Use

Use Ctrl+Right‑click to highlight matching brackets, or Alt+Right‑click for a dimmed view.

6. Translation

Purpose

A powerful translation plugin supporting multiple engines (Google, Youdao, Baidu), text‑to‑speech, automatic word selection, and auto‑segmentation.

Plugin URL

https://plugins.jetbrains.com/plugin/8579-translation

Success Indicator

After restarting IDEA, a translation icon appears in the lower‑right corner.

Practical Use

Select a word, right‑click, and choose Translate; the plugin can also read the translation aloud.

7. P3c (Alibaba Java Coding Guidelines)

Purpose

Alibaba’s Java code‑style plugin that scans projects for violations and can automatically fix many issues.

Plugin URL

https://plugins.jetbrains.com/plugin/10046-alibaba-java-coding-guidelines

Success Indicator

After enabling the plugin, a new “Alibaba Coding Guidelines” tool appears under the Tools menu.

Practical Use

Run a scan to list violations categorized as Blocker, Critical, or Major; click a violation to view details and use Alt+Enter to apply quick fixes or automatic remediation.